Columbia Regional in December 2025

70.5%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In December 2025, reporting carriers scheduled 332 domestic departures from Columbia Regional (COU). 70.5% left less than 15 minutes late and 65.1% reached their destination on time; 3.3% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so COU departures were 1.5 points below the national departure figure.

A year earlier, in December 2024, the airport had 138 departures with 65.2% leaving on time: a change of +5.3 points, with flights up 141%.

Flights arriving at COU that month were on time 61.4% of the time (332 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 48%, air carrier 23% and national aviation system 21%.

On time 65.1%
Arrived 15+ minutes late 31.3%
Cancelled 3.3%
Diverted 0.3%

Every scheduled departure from COU in December 2025, judged by arrival at the destination.

December 2025 against a year earlier, the airport's year and the nation

Measure	Dec 2025	Dec 2024	COU, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	70.5%	65.2%	77.7%	72.0%
Arrived on time	65.1%	65.2%	75.6%	71.9%
Cancelled	3.3%	0.7%	3.1%	1.5%
Average departure delay (late minutes only)	33.8 min	42.4 min	20.5 min	21.2 min
Scheduled departures a day	11	5	10	19,410
Scheduled departures	332	138	3,635	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	209	63%	68.9%	16.1 min	3.3%
OO SkyWest Airlines	123	37%	58.5%	51.2 min	3.3%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
COU–ORD	Columbia to Chicago	205	56.6%	45.3 min	4.4%
COU–DFW	Columbia to Dallas/Fort Worth	96	79.2%	-0.5 min	2.1%
COU–DEN	Columbia to Denver	31	77.4%	16.0 min	0.0%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), December 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2025	Minutes
Air carrier	23.3%	33.3%	2,713
Late-arriving aircraft	48.0%	41.1%	5,589
National Aviation System	21.0%	19.1%	2,442
Extreme weather	7.7%	6.4%	901
Security	0.0%	0.2%	0

11,645 delay minutes on 104 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left COU on time in December 2025?

70.5% of 332 scheduled domestic departures left less than 15 minutes late, and 65.1% reached their destination on time. The national figures that month were 72.0% and 71.9%.

How does that compare with a year earlier?

In December 2024, 65.2% of 138 departures left on time and 0.7% were cancelled, against 70.5% and 3.3% in December 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for COU · methodology · corrections.